pokecrystal-board/home/delay.asm
2022-10-02 22:03:53 -04:00

21 lines
273 B
NASM

DelayFrame::
; Wait for one frame
ld a, 1
ld [wVBlankOccurred], a
; Wait for the next VBlank, halting to conserve battery
.halt
halt
nop
ld a, [wVBlankOccurred]
and a
jr nz, .halt
ret
DelayFrames::
; Wait c frames
call DelayFrame
dec c
jr nz, DelayFrames
ret